Smart watch



FIG. 1 is a top front left perspective view of a smart watch, showing my new design;

FIG. 2 is a top front right perspective view of the smart watch, where a display panel is rotated with respect to a wrist band;

FIG. 3 is a top front left perspective view of the smart watch in an unfolded configuration;

FIG. 4 is a front elevational view of the smart watch in the configuration of FIG. 1;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines shown in the drawings represent portions of the smart watch that form no part of the claimed design. 

CLAIM The ornamental design for a smart watch, as shown and described. 